What is the XML format for Sub Agreements?

Hi,

We have requirement to automate loading Master Agreements and Sub Agreements into CLM from a non-SAP system. 

Currently the data is loaded using CSV files, but Double Byte Char. is not supported in CSV file format.

I am trying to load using XML format and have be successful to load  Master Agreement.

I need help with Sub Agreement XML Structure or a better alternative to load Sub Agreement metadata containing Double Byte Char. 

Provided below is the Sub Agreement XML Structure. Please provide suggestions or guidance on this issue.

We are on 7.0 SP8 .

Thanks
Sai